The number of business combinations which have contingent consideration outstanding.

No definition available.

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

+ References

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-Publisher FASB
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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-Publisher FASB
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of liabilities assumed at the acquisition date.

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-Publisher FASB
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Balance Type:	credit
Period Type:	instant

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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- Details

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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_NoncashOrPartNoncashAcquisitionsByUniqueDescriptionAxis=rcmt_ContingentConsiderationMember
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Period Type:

Note 6 - Acquisitions (Details Textual) $ in Thousands			1 Months Ended	6 Months Ended
Note 6 - Acquisitions (Details Textual) $ in Thousands	Apr. 16, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jan. 31, 2017 USD ($)	Jul. 01, 2017 USD ($)	Jul. 02, 2016 USD ($)
Business Combinations, Acquisitions with Contingent Consideration Outstanding				5
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High				$ 3,200
Goodwill		$ 12,325		12,458
Allied Health Professionals, LLC [Member]
Goodwill		695
Business Combination, Consideration Transferred		695
Payments to Acquire Businesses, Gross			$ 275
Allied Health Professionals, LLC [Member] \| Contingent Consideration Tied To Certain Gross Profit Targets Earned [Member]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		140
Allied Health Professionals, LLC [Member] \| Unsecured Notes Payable [Member]
Business Combination, Consideration Transferred, Liabilities Incurred		$ 280
RAF Services, Inc [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	$ 123
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	10
Goodwill	133
Business Combination, Consideration Transferred	$ 133
Contingent Consideration [Member]
Payments to Acquire Businesses, Gross				$ 300	$ 700